class XiyoujiRenwu {
  float height,weight;
  String head, ear;
  void speak(String s) {
    System.out.println(s);
  }
}
public class Example4_1 {
  public static void main(String args[])  {
    XiyoujiRenwu zhubajie;     //声明变量
    zhubajie = new XiyoujiRenwu();  //为对象分配变量（默认构造方法）  
  }

}
